Home / 6,515,398.80-8,991,490.58-3,936,581.34

Finding the Fourth Proportional to 6,515,398.80, 8,991,490.58 and 3,936,581.34

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Solution

The fourth proportional to 6,515,398.80, 8,991,490.58 and 3,936,581.34 is: 5,432,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,398.80 : 8,991,490.58 = 3,936,581.34 : x
  2. Step 2: Convert to fraction form
    6,515,398.80/8,991,490.58 = 3,936,581.34/x
  3. Step 3: Cross multiply
    6,515,398.80x = 8,991,490.58 × 3,936,581.34
  4. Step 4: Simplify right side
    6,515,398.80x = 35,395,734,036,013.77
  5. Step 5: Solve for x
    x = 35,395,734,036,013.77/6,515,398.80
  6. Step 6: Final answer
    x = 5,432,627.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.